Innovative 11 – 25kV aluminum-steel overhead conductor

 Electricity Distribution, 2009 20th International Conference and Exhibition on

Innovative 11–25kV aluminum-steel overhead conductor

R. Emma, F. Boiani, M. De Nigris, R. Berti, R. Fava, D. Valori, G. Civili
Enel SpA – Italy;
This paper appears in: Electricity Distribution, 2009 20th International Conference and Exhibition on
Publication Date: 8-11 June 2009
Location: Prague, Czech Republic,
ISSN: 0537-9989
ISBN: 978-1-84919126-5
Current Version Published: 2009-09-22

During the last decade the cost of copper and aluminium base metal has risen and challenged Energy Utilities in developing alternative cost-effective technological solutions. Enel SpA, together with Cesi Ricerca SpA and two accredited manufacturers (Tratos Cavi SpA and De Angeli Prodotti SpA), engineered an innovative MV overhead bare conductor made of annealed aluminium, extruded around a supporting steel core. In this paper we will illustrate the new conductor with the more traditional overhead conductor types and its economical and environmental benefits and drawbacks.

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